Calculating machine



June 9, 1936. L. R BROWN 2,043,279

CALCULATING MACHINE Filed May 16, 1935 Patented June 9, 1936 i UNITED "STATES PATENT OFFICE" cunm'rmo moms;

Incl-MWMJLJ-ndmtoflenrec Machine min, Ora-lo. Rhiannon-sanctum A ne-Am 1m 1', 19:5, sum 20. 21.11:

1 4m (cues-m) inv'cntionhurclationtocaictflatinl m u, m mm. n 'chincg nnd more particuinrly to tcns arcalidabiy mmntcdinhcorinuotthediscarand mcchnnis'n thexctor. The invention consists .are normally held in retracted million by means in the novel construction and combination o! i of springs ll. Pivotcd to each tooth I2 is a. do

5 Muscat iorthin the appended claims. I! held by the reiltcdvmrinzll il I In the accompanying drawing, iimstratin: the with; in: ll of the carrytooth, each dog having invention: aim ll enzazins I spur II oithecrossmember l 'lglis'cverticaieectionnivicwthmushthc Ii. 'lhccrcesmexnbcrllkmisoprovidedwith can-ymechanimandanocictcdputmthememnspurfltowhichtheawinzilisattuehed.

bersbcinlshownlnnotmaipolitionotreat. :Aunmeni-yhceilhavhzgpuacdircmiitoo 10 Fil.2isa. aideclcvationotnacrieqofclrry ornmn-otooregizteflnsm'xflnlenm doannduaocintcdportl. tocthlandedjuototheaettnbicmembcriso rizdisoplcnviewotthescme. thntthecamportionliheshctmthediacs mJinadetaii-vicwofacmamembencarry' lt sholfldnrototionotahnft'llthereatter lstocthondcan-ydc brinsadogllphstthecnmpo llthedog Inthiednwinstheinvcntionisfliustratedas wmatrikeonectthebucltaccsofnidcampor- \ppiicdtoamachineotthellonmatypqiilustionnndthedognndtoothliwillbeflidasn trated in United Btotcs Patent No. 1,474,280, unit,tohrin:thc

mntcdtoLILBrittenJnonNcvcmber 13,1923. engage beticen the tccth'of the in ,m lnthismlchinethc-diflcrcntiallysctactuntom gcorlrelctcdtothe lndtlntcnscarryeiemcntsnremcuntcdupon Lu iiluatntedhythepositionot-the second mtczhnttswhichshnftamrotatcdinonc corrydoginl'kJ. Timsoncstepofadditivcor Thecuryinl nptojccflonllyiminthephncolntoothl tl hlcmunbc rlwillhcxutotcdtonormllpcsi- 1 upon tinn,rbytthuewithotnpinnot Ushnpcd thcdiacfl, Q either Binccthetccthllwilibenmcfly provided with projections, sears related to said wheel moves between 9 and 0 registering position; of a drive shaft, and a two-part dog-mounted for rotation with said shaft and adnpted to be cammed as a. unit by the displaced settsble memher or alternatively to be extended by presure oi the settable member during displacement, to

move a. tooth portion or the dog into position to contact the gear related to the wheel or next higher order.

2. In a tens. mechanism for calculstins machines, the combination with numeral wheels wheels,sndsaettsble membuednptedt0be sition to contact the gear related to the wheel 10 of next higher order.

' LII R. BROWN. 

